Display shelf



FIG. 1 is a front perspective view of a display shelf showing my new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front view thereof, the back view, the right side view and the left side view being identical;

FIG. 4 is a top view thereof; and,

FIG. 5 is a section view thereof taken through the line indicated in FIG. 3.

The broken lines shown in the drawings are included for purposes of illustrating portions of the display shelf and form no part of the claimed design. 

CLAIM The ornamental design for a display shelf, as shown and described. 